Gamma Rays from Protons onB10, and the Excitation Energy of the First Excited State ofC10

R. A. Paddock; S. M. Austin; W. Benenson; I. D. Proctor; F. St. Amant

doi:10.1103/physrev.182.1104

Excitation Energy of the First Excited State ofC12, and Observation of a Coherent Doppler Effect

Physical Review ◽

10.1103/physrev.162.957 ◽

1967 ◽

Vol 162 (4) ◽

pp. 957-962 ◽

Cited By ~ 21

Author(s):

J. J. Kolata ◽

R. Auble ◽

A. Galonsky

Keyword(s):

Excited State ◽

Excitation Energy ◽

Doppler Effect ◽

First Excited State

THE ANGULAR DISTRIBUTION OF GAMMA RAYS IN THE C12(p,p′γ) REACTION

Canadian Journal of Physics ◽

10.1139/p53-019 ◽

1953 ◽

Vol 31 (2) ◽

pp. 189-193 ◽

Cited By ~ 3

Author(s):

H. E. Gove ◽

N. S. Wall

Keyword(s):

Angular Momentum ◽

Angular Distribution ◽

Excited State ◽

Proton Beam ◽

Gamma Rays ◽

Ground State ◽

Expansion Formula ◽

First Excited State ◽

Incoming Proton

Protons of 7.1 Mev. energy from the MIT cyclotron have been used to investigate the angular distribution of gamma rays from the C12(p,p′γ) reaction with respect to the incoming proton beam. These gamma rays result from transitions between the first excited state of C12 at 4.45 Mev. and the ground state. The resulting distribution can be fitted by the expansion[Formula: see text]which is consistent with an assignment of two for the angular momentum of the first excited state of C12.

Excitation Energy of the Fourth Excited State in 18F

Canadian Journal of Physics ◽

10.1139/p72-227 ◽

1972 ◽

Vol 50 (14) ◽

pp. 1682-1684 ◽

Cited By ~ 3

Author(s):

I. Berka ◽

C. Rolfs ◽

R. E. Azuma

Keyword(s):

Excited State ◽

Excitation Energy ◽

Coincidence Measurement ◽

Resonant States ◽

Mean Lifetime ◽

First Excited State ◽

Γ Rays ◽

The Mean ◽

Γ Ray

The excitation energy of the Jπ = 5+, fourth excited state in 18F has been determined to be Ex = 1119.0 ± 0.6 keV from a measurement of the energy of the γ-ray transition to the 937 keV, first excited state. This new excitation energy removes the discrepancies in the excitation energy of resonant states based on γ-ray decay schemes involving this state. The mean lifetime has been determined to be τ(1119) = 218 ± 8 ns by a delayed coincidence measurement between the γ rays populating and deexciting this state.

Excitation energy and width of the first excited state in5Li from the6Li(3He, αp)α reaction

Lettere al Nuovo Cimento ◽

10.1007/bf02748463 ◽

1984 ◽

Vol 41 (2) ◽

pp. 59-64 ◽

Cited By ~ 6

Author(s):

N. Arena ◽

S. Cavallaro ◽

A. S. Figuera ◽

P. D’Agostino ◽

C. Fazio ◽

...

Keyword(s):

Excited State ◽

Excitation Energy ◽

First Excited State

Relative Intensity of the 17·2 and 14·3 MeV Gamma Rays from the 7Li(p,G)8Be Reaction

Australian Journal of Physics ◽

10.1071/ph600204 ◽

1960 ◽

Vol 13 (2) ◽

pp. 204 ◽

Cited By ~ 11

Author(s):

B Mainsbridge

Keyword(s):

Excited State ◽

Gamma Rays ◽

Relative Intensity ◽

Principal Components ◽

Ground State ◽

Intensity Ratio ◽

Proton Capture ◽

First Excited State

Radiation from proton capture in 7Li is known to consist of two principal components of energy (17�2+~.Ep) and (14'3+~Ep)MeV, corresponding to transitions to the ground state and first excited state of sBe respectively (Walker and McDaniel 1948). Resonances in the reaction are known to exist at Ep=441 keY, 1�03 and 2�1 MeV (Bonner and Evans 1948; Kraus 1954; Price 1954) and the relative intensity of the two y-rays is known to vary in the neighbourhood of the 441 keY resonance (Campbell 1956). It is not known if the intensity ratio varies in the region of the 1030 keY resonance and this experiment was designed to repeat the measurements of Campbell and extend the investigation to the higher resonance.

Observation of the 2159-keV level in 60Ni following the beta decay of 60Co

Canadian Journal of Physics ◽

10.1139/p70-065 ◽

1970 ◽

Vol 48 (5) ◽

pp. 483-488 ◽

Cited By ~ 9

Author(s):

W. R. Dixon ◽

R. S. Storey

Keyword(s):

Excited State ◽

Beta Decay ◽

Gamma Rays ◽

Gamma Ray ◽

Escape Peak ◽

First Excited State

A search has been made with a Ge(Li) detector for weak gamma-ray transitions in 60Ni following the beta decay of 60Co. Observation of a gamma ray of energy 2158.8 ± 0.4 keV and intensity of about 10−5 per disintegration has confirmed that the 2159-keV level of 60Ni is populated in about 10−4 of the disintegrations. A much stronger peak at 822 keV has been shown to be the single-escape peak of the 1332-keV gamma ray rather than the (2159 → 1332) transition as claimed by Hansen and Spernol. The search for other weak gamma rays in 60Ni was inconclusive, and the mechanism for feeding the 2159-keV level is not clear. As a byproduct of this investigation, the energy of the first excited state of 64Ni is found to be 1345.9 ± 0.3 keV.

Reactions 19F(γ,xγ′) and 31P(γ,xγ′)

Canadian Journal of Physics ◽

10.1139/p72-402 ◽

1972 ◽

Vol 50 (24) ◽

pp. 3085-3089 ◽

Cited By ~ 7

Author(s):

B. J. Thomas ◽

A. Buchnea ◽

J. D. Irish ◽

K. G. McNeill

Keyword(s):

Excited State ◽

Excited States ◽

Gamma Rays ◽

First Excited State ◽

Reaction Channels

The spectra of deexcitation gamma rays following photodisintegration of 19F and 31P have been measured to study further the reaction channels involved in photodisintegration of nonclosed shell nuclei. Besides (γ,n) and (γ,p) decays to excited states of the residual nuclei, strong (γ,α) channels from 19F to the first excited state of 15N and from 31P to the first two excited states of 27Al were observed.

The decay of 144Pm

Canadian Journal of Physics ◽

10.1139/p68-564 ◽

1968 ◽

Vol 46 (19) ◽

pp. 2181-2187 ◽

Cited By ~ 3

Author(s):

S. Santhanam

Keyword(s):

Excited State ◽

Electron Capture ◽

Gamma Rays ◽

Gamma Ray ◽

Energy Levels ◽

The State ◽

Electron Capture Decay ◽

First Excited State ◽

Crossover Transition

In the electron-capture decay of 144Pm prepared by (p, 2n) reaction on enriched 145Nd, it is shown that, in addition to the well-known energy levels at 696, 1313, and 1789 keV, two new levels exist, one at 2093 keV, and another at 1509 keV. The state at 2093 keV deexcites with the emission of a 304-keV gamma ray to the 6+ level at 1789 keV, and by a crossover transition to the 4+ level at 1313 keV with the emission of a 780-keV gamma ray. The level at 1509 keV leads to the first excited state (2+) at 696 keV with the emission of a gamma ray of energy 813 keV. The intensities of the 780-, 304-, and 813-keV gamma rays are, respectively, 1.5, ≈ 0.1, and 0.5% of that of the 696-keV gamma ray.

SOME PROPERTIES OF THE 2.23-MEV EXCITED STATE OF P31

Canadian Journal of Physics ◽

10.1139/p59-008 ◽

1959 ◽

Vol 37 (1) ◽

pp. 53-62 ◽

Cited By ~ 17

Author(s):

A. E. Litherland ◽

G. A. Bartholomew ◽

H. E. Gove ◽

E. B. Paul

Keyword(s):

Angular Momentum ◽

Excited State ◽

Gamma Rays ◽

Ground State ◽

Total Angular Momentum ◽

Gamma Ray ◽

Triple Correlation ◽

Compound State ◽

First Excited State ◽

Coincidence Measurements

The 2.23-Mev excited state of P31 has been studied by means of the capture gamma rays from the 1.70-Mev resonance in the reaction Si30(pγ)P31. The angular correlation of the ground state gamma ray established that the resonance had total angular momentum 3/2, and triple correlation measurements of the cascading gamma rays from the compound state showed that the angular momentum of the 2.23-Mev state was 5/2. Coincidence measurements showed that the cascade gamma rays from the 2.23-Mev state to the first excited state at 11.27-Mev were [Formula: see text] of the transitions to the ground state.

Nuclear g Factor of the 339 KeV Level of 59Ni

Canadian Journal of Physics ◽

10.1139/p74-150 ◽

1974 ◽

Vol 52 (12) ◽

pp. 1137-1138 ◽

Cited By ~ 3

Author(s):

S. A. Wender ◽

J. A. Cameron

Keyword(s):

Angular Distribution ◽

Excited State ◽

Gamma Rays ◽

G Factor ◽

First Excited State

The integral rotation of the angular distribution of 339 keV gamma rays from 59Ni has been measured following (α, n) reactions in a magnetized iron target. The g factor of the 5/2− first excited state of 59Ni is 0.14 ± 0.06.